<template>
  <div>
    <div style="padding: 15px; border-bottom: 1px solid #ddd">
      <el-upload
          style="display: inline-block; margin-right: 10px"
          :action="uploadUrl"
          :headers="{ token: user.token }"
          :show-file-list="false"
          :on-success="handleFileSuccess"
      >
        <el-button type="primary">上传文件</el-button>
      </el-upload>
      <el-button type="primary" plain @click="addFolder" v-if="category === 'all'">新建文件夹</el-button>
      <el-button type="danger" plain @click="delBatch">批量删除</el-button>
    </div>

    <div style="padding: 15px">
      <a style="color: #666" :href="'/front/home?category=' + category">全部文件 <i class="el-icon-arrow-right" v-if="folders.length"></i></a>
      <a style="color: #666" :href="'/front/home?category=' + category + '&folderId=' + item.id" v-for="(item, index) in folders" :key="item.id">
        {{ item.name }} <i class="el-icon-arrow-right" v-if="index !== folders.length - 1"></i>
      </a>
    </div>

    <div>
      <el-table size="medium" stripe :data="tableData" @selection-change="handleSelectionChange">
        <el-table-column type="selection" width="55" align="center"></el-table-column>
        <el-table-column label="名称">
          <template v-slot="scope">
            <div v-if="scope.row.unSave" >
              <i style="color: #409EFF" :class="typeList.find(v => v.text === scope.row.type)?.icon || 'el-icon-file'"></i>
              <el-input size="mini" style="width: 300px; margin: 0 5px" v-model="scope.row.name"></el-input>
              <el-button type="primary" size="mini" @click="save(scope.row)">确定</el-button>
              <el-button type="danger" size="mini" @click="cancel(scope.row)">取消</el-button>
            </div>

            <div style="display: flex; cursor: pointer" @click="openFile(scope.row)" v-else @mouseenter="mouseEnter(scope.row)" @mouseleave="mouseLeave(scope.row)">
              <div style="flex: 1">
                <i style="color: #409EFF" :class="typeList.find(v => v.text === scope.row.type)?.icon || 'el-icon-file'"></i>
                <span v-if="!scope.row.unSave" style="margin-left: 5px">{{ scope.row.name }}</span>
              </div>
              <div style="color: #409EFF; font-size: 14px" v-if="scope.row.optShow">
                <el-tooltip content="分享" effect="light" :open-delay="1000">
                  <i class="el-icon-share" style="margin-right: 10px; cursor: pointer" @click.stop="share(scope.row)"></i>
                </el-tooltip>
                <el-tooltip content="下载" effect="light" :open-delay="1000" v-if="scope.row.folder === '否'">
                  <i class="el-icon-download" style="margin-right: 10px; cursor: pointer" @click.stop="download(scope.row.file)"></i>
                </el-tooltip>
                <el-tooltip content="删除" effect="light" :open-delay="1000">
                  <i class="el-icon-delete" style="margin-right: 10px; cursor: pointer" @click.stop="del(scope.row.id)"></i>
                </el-tooltip>
                <el-tooltip content="重命名" effect="light" :open-delay="1000">
                  <i class="el-icon-edit" style="margin-right: 10px; cursor: pointer" @click.stop="rename(scope.row)"></i>
                </el-tooltip>
                <el-tooltip content="复制" effect="light" :open-delay="1000">
                  <i class="el-icon-document-copy" style="cursor: pointer" @click.stop="copy(scope.row)"></i>
                </el-tooltip>
              </div>
            </div>
          </template>
        </el-table-column>

        <el-table-column prop="updateTime" label="修改时间" width="300"></el-table-column>
        <el-table-column prop="size" label="文件大小（KB）" width="300"></el-table-column>
      </el-table>

    </div>

    <el-dialog title="分享" :visible.sync="shareVisible" width="40%" :close-on-click-modal="false" destroy-on-close>
      <el-form label-width="150px" style="padding-right: 50px" :model="form">
        <el-form-item label="分享天数">
          <el-radio-group v-model="form.days">
            <el-radio :label="3">3天</el-radio>
            <el-radio :label="7">7天</el-radio>
            <el-radio :label="30">30天</el-radio>
          </el-radio-group>
        </el-form-item>
        <el-form-item label="分享链接" v-if="shareLink">
          <div style="display: flex">
            <el-input style="flex: 1" v-model="shareLink"></el-input>
            <el-button style="margin-left: 10px" type="primary" @click="copyLink(shareLink)">复制</el-button>
          </div>
        </el-form-item>
      </el-form>
      <div slot="footer" class="dialog-footer">
        <el-button @click="shareVisible = false">取 消</el-button>
        <el-button type="primary" @click="saveShare">确 定</el-button>
      </div>
    </el-dialog>


  </div>
</template>

<script>
export default {
  name: "Main",
  props: {
    typeList: null
  },
  data() {
    return {
      category: this.$route.query.category,  // 分类
      folderId: this.$route.query.folderId,  // folderId
      tableData: [],
      user: JSON.parse(localStorage.getItem('xm-user') || '{}'),
      uploadUrl: '',
      ids: [],
      folders: [],
      shareVisible: false,
      form: {},
      shareLink: ''
    }
  },
  created() {
    this.load()

    this.uploadUrl = this.$baseUrl + '/diskFiles/add?folder=否'
    if (this.folderId) {  // 如果不这么判断  就会传 undefined到后台 就会报错
      this.uploadUrl += '&folderId=' + this.folderId
    }
  },
  methods: {
    saveShare() {
      if (this.shareLink) {
        this.shareVisible = false
        return
      }
      this.$request.post('/diskFiles/share/', this.form).then(res => {
        if (res.code === '200') {
          this.$message.success("操作成功")

          let shareData = res.data
          let currentUrl = location.href.substring(0, location.href.indexOf('/front'))
          this.shareLink = currentUrl + '/front/openShare?code=' + shareData.code + '&shareId=' + shareData.id
        } else {
          this.$message.error(res.msg)
        }
      })
    },
    share(row) {
      this.form = JSON.parse(JSON.stringify(row))
      this.form.days = 3
      this.shareLink = ''
      this.shareVisible = true
    },
    copy(row) {
      this.$request.post('/diskFiles/copy/' + row.id).then(res => {
        if (res.code === '200') {
          this.$message.success("操作成功")
          this.load()
        } else {
          this.$message.error(res.msg)
        }
      })
    },
    openFile(row) {
      if (row.folder === '是') { // 文件夹
        location.href = '/front/home?category=' + this.category + '&folderId=' + row.id
      } else {
        window.open(this.$baseUrl + '/diskFiles/preview/' + row.id)
      }
    },
    download(url) {
      window.open(url)  // 文件下载
    },
    mouseEnter(row) {
      if (!row.unSave) {
        this.$set(row, 'optShow', true)
      }
    },
    mouseLeave(row) {
      if (!row.unSave) {
        this.$set(row, 'optShow', false)
      }
    },
    rename(row) {
      this.$set(row, 'unSave', true)
    },
    save(row) {  // 上传文件夹的方法 和编辑后保存
      if (row.id) {  // 编辑
        this.$request.put('/diskFiles/update', row).then(res => {
          if (res.code === '200') {
            this.$message.success("操作成功")
            this.load()
          } else {
            this.$message.error(res.msg)
          }
        })
      } else {
        let url = '/diskFiles/add?folder=是&name=' + row.name
        if (this.folderId) {  // 外层的folderId
          url += '&folderId=' + this.folderId
        }
        this.$request.post(url).then(res => {
          if (res.code === '200') {
            this.$message.success("操作成功")
            this.load()
          } else {
            this.$message.error(res.msg)
          }
        })
      }

    },
    cancel(row) {
      let index = row.$index
      if (row.id) {  // 编辑
        this.load() // 加载最新的数据即可
      } else {  // 新增
        this.tableData.splice(index, 1)
      }

    },
    addFolder() {
      this.tableData.unshift({  name: '', type: 'folder', unSave: true, folderId: this.folderId || null })    //  unSave 控制输入框是否显示
    },
    load() {
      this.$request.get('/diskFiles/selectAll', {
        params: {
          category: this.category || null,   // all  img  video  zip
          folderId: this.folderId || null
        }
      }).then(res => {
        this.tableData = res.data || []
        this.tableData.forEach(item => {
          this.$set(item, 'optShow', false)   // 强制设置每行  加一个 optShow属性
        })
      })

      this.$request.get('/diskFiles/selectFolderName', {
        params: { folderId: this.folderId || null }
      }).then(res => {
        this.folders = res.data || []
      })
    },
    handleFileSuccess(res) {
      if (res.code === '200') {
        this.$message.success("上传成功")
        this.load()
      } else {
        this.$message.error('上传失败')
      }
    },
    del(id) {   // 单个删除
      this.$confirm('您确定删除吗？', '确认删除', {type: "warning"}).then(response => {
        this.$request.delete('/diskFiles/trash/' + id).then(res => {
          if (res.code === '200') {   // 表示操作成功
            this.$message.success('操作成功')
            this.load()
          } else {
            this.$message.error(res.msg)  // 弹出错误的信息
          }
        })
      }).catch(() => {
      })
    },
    handleSelectionChange(rows) {   // 当前选中的所有的行数据
      this.ids = rows.map(v => v.id)   //  [1,2]
    },
    delBatch() {   // 批量删除
      if (!this.ids.length) {
        this.$message.warning('请选择数据')
        return
      }
      this.$confirm('您确定批量删除这些数据吗？', '确认删除', {type: "warning"}).then(response => {
        this.$request.delete('/diskFiles/trash/batch', {data: this.ids}).then(res => {
          if (res.code === '200') {   // 表示操作成功
            this.$message.success('操作成功')
            this.load()
          } else {
            this.$message.error(res.msg)  // 弹出错误的信息
          }
        })
      }).catch(() => {
      })
    },
    copyLink(link) {
      let _input = document.createElement("input");   // 直接构建input
      _input.value = link;  // 设置内容
      document.body.appendChild(_input);    // 添加临时实例
      _input.select();   // 选择实例内容
      document.execCommand("Copy");   // 执行复制
      document.body.removeChild(_input)
      this.$message.success("复制成功")
    },
  }
}
</script>

<style scoped>
/deep/.el-form-item__label {
  padding-right: 50px !important;
}
</style>